保温器 meaning in English

smudge pot
warmer

Safety of household and similar electrical appliances - particular requirements for commercial electric bains - marie
家用和类似用途电器的安全商用电水浴保温器的特殊要求
Ptc heater now is widely used in many fields that need to keep temperature invariable automatically such as hair curler , facial steamer , temperature invariable plate , mosquito driving instrument , physical therapy instrument and so on
Ptc发热芯已广泛应用于烫发夹、卷发器、蒸面器、保温杯、保温盘、电热驱蚊器、理疗仪等自动恒温型保温器方面。